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Cellular Respiration

When we breat...

Question

When we breathe out why does the air passage not collapse?

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Solution

The air passage or trachea is made up of C-shaped cartilaginous rings that prevents the air passage from collapsing during exhalation.

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Q. (a) Explain how, the air we breathe in gets cleaned while passing through the nasal passage.
(b) Why do the walls of trachea not collapse when there is less air in it?
(c) How are oxygen and carbon dioxide exchanged in our body during respiration?
(d) How are lungs designed in human beings to maximise the exchange of gases?

The air passage in the respiratory system of humans does not collapse due to presence of:

Q. Explain how does the air we breathe in, gets cleaned while passing through the nasal passage.

Q. Even when there is no air in the trachea, it does not collapse because of

Q. Why do the walls of trachea not collapse when there is less air in it?

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